* {
    margin: 0;
    padding: 0;
}

span{
    font-family:Arial,
    Helvetica,
    sans-serif;

}

.index_aside {
    width: 18vw;
    height: 100%;
    /* background-color: antiquewhite; */
    display: flex;
    flex-direction: column;
}

/* 右面主要部分 */
.main_card {
    /* background-color: rgba(245, 171, 184,0.1); */
    height: 89vh;
    border-radius: 10px;
    overflow-y: scroll;
}

.index_aside_top {
    width: 100%;
    margin: 50px 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.index_aside_top img {
    width: 50px;
    height: 50px;
    margin: 20px;
}

.index_aside_top span {
    color: rgb(190, 15, 46);
    font-size: larger;
    font-weight: bolder;
    font-family: "Comic Sans MS"
}



.index_aside_menu{
    width: 100%;
    /* margin-top: 30px; */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.index_aside_menu_item {
    margin-left: 30%;
    margin-top: 50px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.index_aside_menu_item img{
    width: 26px;
    height: 26px;
}


.index_aside_menu_item span{
    font-weight: bolder;
    color: #9FA2AB;
    margin: 0 15px;
}

.index_aside_menu_item_selected span {
    font-weight: bolder;
    color: rgb(190, 15, 46);
}




.flex_row_center{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}


.flex_column_start{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.flex_column_center{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}



.margin_tb_20{
    margin: 20px 0;
}

.margin_lr_20{
    margin: 0 20px;
}

.margin_tb_10 {
    margin: 10px 0;
}

.margin_lr_10 {
    margin: 0 10px;
}